In-line amplifier



FIG. 1 is a perspective view of the in-line amplifier;

FIG. 2 is a front view of the in-line amplifier;

FIG. 3 is a rear view of the in-line amplifier;

FIG. 4 is a bottom plan view of the in-line amplifier;

FIG. 5 is a top plan view of the in-line amplifier;

FIG. 6 is a left side view of the in-line amplifier; and,

FIG. 7 is a right side view of the in-line amplifier.

CLAIM The ornamental design for an in-line amplifier, as shown in theaccompanying drawings.